Westlock ICOT 5400, Техническое руководство

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5/12/2017 TECH-538/D.W.O. 23160 Page 158 of 189
Complete List of Analog Output Block Parameters
Table 35:
Complete list of Analog Output block parameters
Index Parameter
mnemonic
Description / EDD Help Valid Range Default FCT Default Deep Default Units Write R/W
1 ST_REV The revision level of the static data associated with the function
block. The revision value will be incremented each time a static
parameter value in the block is changed.
Read
only
2 TAG_DESC The user description of the intended application of the block. R/W
3 STRATEGY The strategy field can be used to identify grouping of blocks. This
data is not checked or processed by the block.
R/W
4 ALERT_KEY The identification number of the plant unit. This information may
be used in the host for sorting alarms, etc.
1 to 255 None R/W
5 MODE_BLK The actual, target, permitted, and normal modes of the block. See MODE O/S O/S O/S NA R/W
6 BLOCK_ERR This parameter reflects the error status associated with the
hardware or software components associated with a block. It is a
bit string, so that multiple errors may be shown.
E Read
only
7 PV Either the primary analog value for use in executing the function,
or a process value associated with it. May also be calculated from
the READBACK value of an AO block.
PV Read
only
8 SP The analog setpoint of this block. PV/- 10% PV
9 OUT The primary analog value calculated as a result of executing the
function block.
OUT/-
10%
10 SIMULATE Allows the transducer analog input or output to the block to be
manually supplied when simulate is enabled. When simulation
is disabled, the simulate value and status track the actual value
and status.
disable
11 PV_STATE Index to the text describing the states of a discrete PV. PV
12 XD_STATE Index to the text describing the states of a discrete PV. XD
13 GRANT_DENY Options for controlling access of host computers and local control
panels to operating, tuning, and alarm parameters of the block.
14 IO_OPTS Option which the user may select to alter input and output block
processing.
15 STATUS_OPTS Option of status which the user may select to alter input and
output block processing.
16 READBACK This indicates the readback of the actual continuous valve or
other actuator position, in transducer units.
XD Read
only
17 CAS_IN This parameter is the remote setpoint value, which must come
from another Fieldbus block, or a DCS block through a defined
link.
PV
18 SP_RATE_DN The revision level of the static data associated with the function
block. The revision value will be incremented each time a static
parameter value in the block is changed.
Positive or zero +INF PV/Sec Read
only
19 SP_RATE_UP The revision level of the static data associated with the function
block. The revision value will be incremented each time a static
parameter value in the block is changed.
Positive or zero +INF PV/Sec Read
only
20 SP_HI_LIM The revision level of the static data associated with the function
block. The revision value will be incremented each time a static
parameter value in the block is changed.
PV/- 10% 100 PV Read
only